Branch to experiment with dynamic component interfaces and implementations.

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+Distributed OSGi Calculator Sample

+==================================

+This sample implements a distributed calculator using Distributed OSGi (RFC 119) over SCA.

+

+The README in the <distribution-unpack-dir>/samples directory provides 

+general instructions about building and running samples. (where

+distribution-unpack-dir is the directory in which you unpacked the tuscany

+binary distribution archive). Take a look there first (noting at you read it that this sample

+is not a new style sample). 

+

+On Windows, run

+java -jar ..\..\modules\osgi-3.5.0-v20090520.jar -configuration ..\..\features\configuration -clean -console

+

+On *Unix, run

+java -jar ../../modules/osgi-3.5.0-v20090520.jar -configuration ../../features/configuration -clean -console

+

+You should see the osgi console:

+

+osgi>

+

+You can run "ss" command under the osgi> to see the status of the bundles.

+osgi> ss

+

+Then you can install and start the calculator.dosgi bundle:

+

+osgi> install file:./target/sample-dosgi-dynamic-calculator-operations.jar

+Bundle id is 198

+

+osgi> start 198

+Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star

+t

+INFO: Starting calculator.dosgi.dynamic.operations_1.0.0 [198]

+Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star

+t

+INFO: Registering calculator.dosgi.operations.AddService

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.node.impl.NodeImpl start

+INFO: Starting node: urn:osgi.service.d3cadb93-e9b9-4486-87eb-07ece11888f6 domai

+n: tuscany.apache.org

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe

+rvice

+INFO: RMI service registered: rmi://localhost:8085/AddService

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr

+yImpl addEndpoint

+INFO: Add endpoint - (@8144744)Endpoint:  URI = osgi.service.d3cadb93-e9b9-4486-

+87eb-07ece11888f6#service-binding(AddService/Add)

+Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star

+t

+INFO: Registering calculator.dosgi.operations.SubtractService

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.node.impl.NodeImpl start

+INFO: Starting node: urn:osgi.service.b6259ccc-6ae4-41f0-b61b-c5a8c7f42b35 domai

+n: tuscany.apache.org

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe

+rvice

+INFO: RMI service registered: rmi://localhost:8085/SubtractService

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr

+yImpl addEndpoint

+INFO: Add endpoint - (@30229114)Endpoint:  URI = osgi.service.b6259ccc-6ae4-41f0

+-b61b-c5a8c7f42b35#service-binding(SubtractService/Subtract)

+Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star

+t

+INFO: Registering calculator.dosgi.operations.MultiplyService

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.node.impl.NodeImpl start

+INFO: Starting node: urn:osgi.service.8469c64c-9a28-47b3-bc4a-c5fa8d471057 domai

+n: tuscany.apache.org

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe

+rvice

+INFO: RMI service registered: rmi://localhost:8085/MultiplyService

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr

+yImpl addEndpoint

+INFO: Add endpoint - (@3312704)Endpoint:  URI = osgi.service.8469c64c-9a28-47b3-

+bc4a-c5fa8d471057#service-binding(MultiplyService/Multiply)

+Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator star

+t

+INFO: Registering calculator.dosgi.operations.DivideService

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.node.impl.NodeImpl start

+INFO: Starting node: urn:osgi.service.b43555f0-9509-444e-b22a-06d347ab7e98 domai

+n: tuscany.apache.org

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost registerSe

+rvice

+INFO: RMI service registered: rmi://localhost:8085/DivideService

+Nov 4, 2009 5:16:51 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr

+yImpl addEndpoint

+INFO: Add endpoint - (@8010288)Endpoint:  URI = osgi.service.b43555f0-9509-444e-

+b22a-06d347ab7e98#service-binding(DivideService/Divide)

+Nov 4, 2009 5:16:51 PM calculator.dosgi.operations.impl.OperationsActivator getB

+undle

+INFO: calculator.dosgi.operations.AddService is loaded by bundle: calculator.dos

+gi.dynamic.operations

+

+osgi>

+

+To stop the bundle:

+

+osgi> stop 198

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop

+INFO: Stopping node: urn:osgi.service.b43555f0-9509-444e-b22a-06d347ab7e98

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr

+yImpl endpointRemoved

+INFO: Remove endpoint - (@8010288)Endpoint:  URI = osgi.service.b43555f0-9509-44

+4e-b22a-06d347ab7e98#service-binding(DivideService/Divide)

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister

+Service

+INFO: RMI service unregistered: rmi://localhost:8085/DivideService

+Nov 4, 2009 5:18:43 PM calculator.dosgi.operations.impl.OperationsActivator stop

+

+INFO: Stopping calculator.dosgi.dynamic.operations_1.0.0 [198]

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop

+INFO: Stopping node: urn:osgi.service.d3cadb93-e9b9-4486-87eb-07ece11888f6

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr

+yImpl endpointRemoved

+INFO: Remove endpoint - (@8144744)Endpoint:  URI = osgi.service.d3cadb93-e9b9-44

+86-87eb-07ece11888f6#service-binding(AddService/Add)

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister

+Service

+INFO: RMI service unregistered: rmi://localhost:8085/AddService

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop

+INFO: Stopping node: urn:osgi.service.b6259ccc-6ae4-41f0-b61b-c5a8c7f42b35

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr

+yImpl endpointRemoved

+INFO: Remove endpoint - (@30229114)Endpoint:  URI = osgi.service.b6259ccc-6ae4-4

+1f0-b61b-c5a8c7f42b35#service-binding(SubtractService/Subtract)

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister

+Service

+INFO: RMI service unregistered: rmi://localhost:8085/SubtractService

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop

+INFO: Stopping node: urn:osgi.service.8469c64c-9a28-47b3-bc4a-c5fa8d471057

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.core.assembly.impl.EndpointRegistr

+yImpl endpointRemoved

+INFO: Remove endpoint - (@3312704)Endpoint:  URI = osgi.service.8469c64c-9a28-47

+b3-bc4a-c5fa8d471057#service-binding(MultiplyService/Multiply)

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.host.rmi.DefaultRMIHost unregister

+Service

+INFO: RMI service unregistered: rmi://localhost:8085/MultiplyService

+Nov 4, 2009 5:18:43 PM org.apache.tuscany.sca.node.impl.NodeImpl stop

+INFO: Stopping node: urn:osgi.service.b43555f0-9509-444e-b22a-06d347ab7e98

+

+osgi>

+

+To exit the console, run:

+osgi> exit

+

+Sample Overview

+---------------

+The application consists of two OSGi bundles:

+ * The calculator bundle: It provides the calculator service. The service is implemented by a java class that

+   consumes other services to perform the “add”, “subtract”, “multiply” and “divide” operations.

+ * The operations bundle: It provides the add/subtract/multiply/divide services.

+   (See ../samples/dosgi-dynamic-calculator-operations)

+

+

+dosgi-dynamic-calculator-operations/

+  src/

+    main/

+      java/

+        calculator/

+            dosgi/

+                operations/

+                    AddService.java - Interface for Add

+                    SubtractService.java - Interface for Subtract

+                    MultiplyService.java - Interface for Multiply

+                    DivideService.java - Interface for Divide

+                    impl/

+                        OperationsActivator.java - OSGi bundle activator

+                        AddServiceImpl.java - Implementation for Add

+                        SubtractServiceImpl.java - Implementation for Subtract

+                        MultiplyServiceImpl.java - Implementation for Multiply

+                        DivideServiceImpl.java - Implementation for Divide

+      resources/

+            META-INF/

+                sca-contribution.xml

+           OSGI-INF/

+                sca-config/

+                    operations-config.xml - The SCA configuration file for OSGi remote services

+  test/

+    java/

+        src/

+            calculator/

+                dosgi/

+                    operations/

+                        test/

+                            OperationsOSGiNodeTestCase.java - The JUNIT test case that tests this bundle using a RMI client

+

+  META-INF/

+    MANIFEST.MF - The OSGi manifest for this bundle

+  pom.xml                         - the Maven build file

+

+

+

+Building And Running The Test Case Using Maven

+-------------------------------------------

+With either the binary or source distributions the sample can be built and run

+using Maven as follows.

+

+cd dosgi-dynamic-calculator-operations

+mvn

+